/Engine/Source/Editor/UnrealEd/Public/GraphEditor.h
typedef TBaseDelegate_FiveParams< [FActionMenuContent](API\Editor\UnrealEd\FActionMenuContent), [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) *, const [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) *, const [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) *, [FMenuBuilder](API\Runtime\Slate\Framework\MultiBox\FMenuBuilder) *, bool > FOnCreateNodeOrPinMenu